view src/armadillo-test.cpp @ 4462:8b731cde3aaa

sundials-ida: build against the SuiteSparse KLU library * src/sundials-ida.mk: Depend on suitesparse, add cmake options to enable linking with KLU. * src/sundials-ida-1.patch: New file. * dist-files.mk (SRC_FILES_1): Include it in the list.
author Mike Miller <mtmiller@octave.org>
date Fri, 01 Sep 2017 18:04:27 -0700
parents 82d1044a4434
children
line wrap: on
line source

/*
 * This file is part of MXE.
 * See index.html for further information.
 */

#include <armadillo>

using namespace arma;

int main()
{
	mat A = randu<mat>(50,50);
	mat B = trans(A)*A;  // generate a symmetric matrix
	
	vec eigval;
	mat eigvec;
	
	// use standard algorithm by default
	eig_sym(eigval, eigvec, B);
	
	// use divide & conquer algorithm
	eig_sym(eigval, eigvec, B, "dc");
	return 0;
}